Patent US4222136A successfully refreshed from Google Patents.
US4222136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Training foot stool
Assignee: Individual
•
Filing: 1979-05-25
•
Granted: 1980-09-16
•
Expires: 1999-05-25
Abstract
Abstract A foot stool which is attachable to a side rail of a sleeping bed, and including a horizontal step plate having two vertically upward legs which, at their upper end, are slideably adjustable inside two hollow hooks that hang over the rail.
Inventors
- 👤 Pearl T. Valentino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:11
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/053; A47; A47C; A47C21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A training foot stool, comprising in combination, a horizontal plate rigidly affixed to a pair of upward legs, and a pair of tubular hooks in which upper ends of said legs are slidably adjustable; said plate being rectangular, said legs being affixed to one side edge wall of said plate, and said legs beings spaced apart from each other; said hook being shaped by having a mouth that is correspondingly a same as a cross-section of a bed rail; each said leg having a row of notches, and each said hook having a spring-loaded detent pin for selectively engaging said notches; and said pins and said notches being additionally thread-engaged only at their fully engaged position, by a screw thread at an end of said pin and a screw thread at a bottom of said notches.
Claim 2
Dependent Claim
136 words
A training foot stool, comprising in combination, a horizontal plate rigidly affixed to a pair of upward legs, and a pair of tubular hooks in which upper ends of said legs are slidably adjustable; said plate being rectangular, said legs being affixed to one side edge wall of said plate, and said legs beings spaced apart from each other; said hook being shaped by having a mouth that is correspondingly a same as a cross-section of a bed rail; each said leg having a row of notches, and each said hook having a spring-loaded detent pin for selectively engaging said notches; and said pins and said notches being additionally thread-engaged only at their fully engaged position, by a screw thread at an end of said pin and a screw thread at a bottom of said notches.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |